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1 729 224

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A3

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IPC

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Application

4740168/04, 1989-09-25

(22)

Actual filing date

1989-09-25

(45)

Published

1994-05-15

(72)

Inventor

Juzhakova O.A.Pastak V.L.Kuznetsov A.A.Motov S.A.Zul' I.M.Kovshulja G.D.Kovshulja L.I.

(73)

Holder

Moskovskoe Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD FOR PREPARATION OF SILVER HALIDE PHOTOEMULSION SPECTER SENSITIZER COMPOSITIONS Russian patent published in 1994 - IPC

Abstract SU 1729224 A3

FIELD: photographic material production. SUBSTANCE: sensitizer is solved in a low-boiling water immiscible organic solvent. Then the resultant solution is mixed with a polymer in the proportion of 1 to 5-10. The polymer is formulated as where R = H, CH3; n = 0.02-0.15; m = 0.98- 0.85. The polymer molecular mass is 2000-5000. Then the solution is dispersed in a 3% water-and-gelatin solution. The resulting composition is stable during up to 30 days. EFFECT: increased stability. 1 tbl

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SU 1 729 224 A3

Authors

Juzhakova O.A.

Pastak V.L.

Kuznetsov A.A.

Motov S.A.

Zul' I.M.

Kovshulja G.D.

Kovshulja L.I.

Dates

1994-05-15—Published

1989-09-25—Filed

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